Last updated on March 31st, 2022
Cost to add soffit vents
If you’re concerned about attic and roof ventilation, why not consider installing soffit vents? These are vents installed under the eaves of your roof, allowing fresh air to enter your attic. In this guide, we’ll take a look at the average cost to add soffit vents to your home.

If you’re concerned about attic and roof ventilation, why not consider installing soffit vents? These are vents installed under the eaves of your roof, allowing fresh air to enter your attic.
Soffit vents are great for boosting airflow. They also help with insulation by keeping your attic at an even temperature. Also known as eave vents, they help to keep your attic cooler in summer and reduce the buildup of moisture and heat in the winter.
In this guide, we’ll take a look at the average cost to add soffit vents to your home.
How much does it cost to install soffit vents?
Cost provided item | Low cost | High cost | Average cost |
---|---|---|---|
Soffit vent installation (approx. 20 vents) | £200 | £250 | £225 |
Our costs are ballpark averages – get a local tradesperson to quote now
The cost to add soffit vents to your eaves varies depending on the type of house and roof you have. Plus, how many vents need to be installed.
If there are any difficulties with access, this can potentially increase the price. You may also pay more if you’re installing other types of roof or ridge vents along with your soffit vents.
On average, the cost to install soffit vents is around £200 to £250. This is for around 20 eave vents installed around your property.
Soffit vent replacement cost
If you already have eaves vents installed but they’re in need of replacement, it’s time to bring in the professionals.
The good news is that it should be a little cheaper to have replacement vents fitted, rather than brand new ones. This is because there’s no need to create new openings in the soffits to install the vents – you only need to remove the old vents, and supply and fit replacement vents.
This could make the price closer to £200, although it could even be less.
We always recommend getting multiple quotes for a job. Use our request a quote feature to get three quotes from tradespeople local to you.
FAQs
How long does it take to install soffit vents?
It depends on your property, but it can take anywhere from three/four hours up to one day to install about 20 eaves vents.
Can I install soffit vents myself?
It’s always recommended to use an experienced installer for this kind of job. Not only does it involve working at height, which can be dangerous, but you’ll need to get a professional fit to make sure your vents work efficiently.
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